CURT Gooseneck Safety Chain Anchor U-Bolt Kit Model 66113CURT Gooseneck Safety Chain Anchor U Bolt Kit Model 66113 A CURT gooseneck hitch is more than a necessary tool for towing; it is an integrated extension of your truck that allows you turn your 4x4 into the workhorse it was designed to be. Gooseneck hitches are stronger, tougher and more subtle than any other, and when quality craftsmanship and intelligent design become the fuel that drives a gooseneck hitch, you get a towing solution that leaves